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Poorly enhancing transmural eccentric mass lesion is seen arising from 4 to 12 o clock of rectum with serosal breach, involvement of mesorectal fat. There is loss of fat planes with base of prostate and with right seminal vesicles. Multiple poorly enhancing lymph nodes seen in mesorectum and in internal iliac group. Circumferential mural thickening and stratification is seen in left colon with persistence of the previous descending colon polyps.